diff --git a/msg/tools/px_generate_uorb_topic_helper.py b/msg/tools/px_generate_uorb_topic_helper.py
index e0da8ced47..f413d34239 100644
--- a/msg/tools/px_generate_uorb_topic_helper.py
+++ b/msg/tools/px_generate_uorb_topic_helper.py
@@ -1,8 +1,43 @@
+#!/usr/bin/env python
+#############################################################################
+#
+#   Copyright (C) 2013-2018 PX4 Pro Development Team. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name PX4 nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+#############################################################################
 
-# helper methods & common code for the uorb message templates msg.{cpp,h}.template
+'''
+Helper methods & common code for the uorb message templates msg.{cpp,h}.template
 
-# Another positive effect of having the code here, is that this file will get
-# precompiled and thus message generation will be much faster
+Another positive effect of having the code here, is that this file will get
+precompiled and thus message generation will be much faster
+'''
 
 import os
 import errno